Ali Abuarra1, Basma Abuarra2, Basher S. Abur1, Gurjeet K. C. Singh3, Zedan AlSadi1, Tg Lina R. Mahmood1, Khalid Omar1* and M. Z. MatJafri1
1School of Physics, Universiti Sains Malaysia, 11800 Penang, Malaysia.
2Shool of Distance Education, Universiti Sains Malaysia, 11800 Penang, Malaysia.
3INFORMM, Universiti Sains Malaysia, 11800 Penang, Malaysia.
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